As soon then as he had said unto them, I am [he], they went backward, and fell to the ground.
Berean Study Bible (BSB) - John 18:6 >When Jesus said, “I am He,” they drew back and fell to the ground.
Textus Receptus (TR) - John 18:6 >Ὡς οὖν εἶπεν αὐτοῖς ὅτι Ἐγώ εἰμι, ἀπῆλθον εἰς τὰ ὀπίσω, καὶ ἔπεσον χαμαί.